adding more changes in to CHANGES
adding more changes in to CHANGES

andnovar/ggplot,Cophy08/ggplot,mizzao/ggplot,wllmtrng/ggplot,ricket1978/ggplot,bitemyapp/ggplot,kmather73/ggplot,smblance/ggplot,benslice/ggplot,benslice/ggplot,eco32i/ggplot,udacity/ggplot,xguse/ggplot,ricket1978/ggplot,mizzao/ggplot,xguse/ggplot,hadley/ggplot,assad2012/ggplot